Self-powered and low-temperature resistant MXene-modified electronic-skin for multifunctional sensing

Area of Science:

• Materials Science
• Electronics
• Sensors

Background:

• Developing electronic-skin (e-skin) for reliable sensing in diverse environmental conditions, especially low temperatures, remains a challenge.
• Multifunctional e-skins capable of detecting various stimuli are crucial for advanced applications.

Purpose of the Study:

• To fabricate a sensitive and low-temperature resistant e-skin for multifunctional sensing.
• To evaluate the performance of the e-skin in detecting pressure, frequency, and temperature at low temperatures.

Main Methods:

• Fabrication of a novel electronic-skin material.
• Characterization of the e-skin's sensitivity to pressure and frequency at -15 °C.
• Testing the e-skin's capability for temperature sensing between -15 °C and 25 °C.

Main Results:

• The e-skin demonstrated high sensitivity to pressure (1.29 mV Pa⁻¹) and frequency (5.60 V Hz⁻¹) at -15 °C.
• The fabricated e-skin achieved temperature sensing with a sensitivity of 76.6 nA cm⁻²°C⁻¹ over the range of -15 °C to 25 °C.
• The e-skin exhibited flexibility and low-temperature resistance.

Conclusions:

• A sensitive and low-temperature resistant e-skin has been successfully fabricated.
• The developed e-skin is suitable for multifunctional sensing applications, including pressure, frequency, and temperature, particularly in cold environments.
• This work contributes to the advancement of flexible electronics for extreme condition sensing.